body {
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f2f5; /* 浅灰色背景 */
}

.container {
    background-color: white;
    padding: 30px 40px; /* 增加内边距 */
    border-radius: 8px; /* 更圆润的边角 */
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1); /* 更柔和的阴影 */
}

.form-container {
    width: 380px; /* 调整宽度 */
}

h2 {
    text-align: center;
    color: #333;
    margin-bottom: 20px; /* 增加标题底部间距 */
}

form {
    display: flex;
    flex-direction: column;
}

.input-group {
    position: relative; /* 用于放置图标 */
    margin-bottom: 15px; /* 调整输入框间距 */
}

/* ...其他样式... */

input {
    width: 100%;
    padding: 12px 12px; 
    padding-left: 40px;  /* 为图标留出空间 */
    border: 1px solid #d9d9d9; 
    border-radius: 4px; 
    box-sizing: border-box;
}

.input-group i {
    position: absolute;
    top: 50%;
    left: 12px;
    transform: translateY(-50%);
    color: #999; 
}

/* ...其他样式... */


button {
    background-color: #1890ff; /* LeetCode 蓝色 */
    color: white;
    padding: 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease; /* 添加过渡效果 */
}

button:hover {
    background-color: #40a9ff; /* 更深的蓝色 */
}

p {
    text-align: center;
    margin-top: 15px;
}

a {
    color: #1890ff;
    text-decoration: none;
}

/* 社交登录按钮样式 */
.social-login {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.btn-social {
    width: 48%;
    padding: 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-wechat {
    background-color: #09bb07; /* 微信绿色 */
    color: white;
}

.btn-qq {
    background-color: #00a0e9; /* QQ蓝色 */
    color: white;
}

.btn-social i {
    margin-right: 8px;
}
